Properties of the Number 73666

Seventy-Three Thousand Six Hundred Sixty-Six

Basics

Value: 73665 → 73666 → 73667

Parity: even

Prime: No

Previous Prime: 73651

Next Prime: 73673

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 36833

Divisors: 1, 2, 36833, 73666

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001111111000010

Octal: 217702

Duodecimal: 3676A

Hexadecimal: 11fc2

Square: 5426679556

Square Root: 271.4148116813082

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

G.f. A(x) satisfies: the sum of the coefficients of x^k, k=0..n, in A(x)ⁿ equals (2·n)!²/n!⁴, the square of the central binomial coefficients (A000984), for n>=0. A232606

Rearrangement of natural numbers such that a(k)*a(k+1) + 1 is a prime for all k. A73666